AirHint found the following cheapest return flights from Keflavik (KEF) to Riga (RIX) in October 2025 (see full year).

Return flights

11 Oct - 24 Oct	airBaltic	direct
02 Oct - 08 Oct	airBaltic	direct
13 Oct - 23 Oct	Scandinavian Airlines
09 Oct - 19 Oct	Scandinavian Airlines
09 Oct - 19 Oct	airBaltic	direct
18 Oct - 19 Oct	airBaltic	direct

Also check the deals for one-way flights from Keflavik to Riga in October.

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Keflavik to Riga in October from 179€

Return flights